diff --git a/CLAUDE.md b/CLAUDE.md
index c79a59f..682eba2 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -147,6 +147,7 @@ const handleOperation = async () => {
 - ✅ PDMS工厂设计模型查看器（PdmsModelViewer）
 - ✅ Revit建筑设计模型查看器（RevitModelViewer）
 - ✅ 层级统计功能完整集成（getHierarchyStatistics API + 层级删除配置页面）
+- ✅ 层级删除功能完整实现（deleteHierarchy API + 项目名称管理 + 成功提示）
 
 ## 页面添加标准流程
 
diff --git a/src/components/layout/CadSidebar.vue b/src/components/layout/CadSidebar.vue
index ed5a087..adaaf1c 100644
--- a/src/components/layout/CadSidebar.vue
+++ b/src/components/layout/CadSidebar.vue
@@ -155,6 +155,7 @@ const handleOpenModel = async () => {
     if (connectedCAD.id === 'creo') {
       const result = await creoApi.getCurrentModel()
       if (result.success) {
+        cadStore.currentProjectName = result.data.data.fileName
         emit('show-model-viewer', result.data)
       }
     } else if (connectedCAD.id === 'revit') {
@@ -192,6 +193,7 @@ const handleOpenModel = async () => {
       if (filePath && connectedCAD.id === 'creo') {
         const result = await creoApi.openModelFile(filePath)
         if (result.success) {
+          cadStore.currentProjectName = result.data.data.fileName
           emit('show-model-viewer', result.data)
         }
       }
diff --git a/src/components/pages/HierarchyDeletionParamsPage.vue b/src/components/pages/HierarchyDeletionParamsPage.vue
index 9ce63f9..1a60920 100644
--- a/src/components/pages/HierarchyDeletionParamsPage.vue
+++ b/src/components/pages/HierarchyDeletionParamsPage.vue
@@ -61,7 +61,7 @@
         </button>
         <button class="params-action-btn danger"
                 id="execute-deletion-btn"
-                @click="$emit('execute-deletion', getExecutionParams())"
+                @click="handleExecuteDeletion"
                 :disabled="loading || selectedLevel === null">
           <i class="fas fa-trash"></i>
           执行删除
@@ -74,6 +74,8 @@
 <script setup>
 import { ref, computed, onMounted } from 'vue'
 import { creoApi } from '@/services/creoApi'
+import { ElNotification } from 'element-plus'
+import { useCADStore } from '@/stores/cad'
 
 // Props - 暂时保留供将来使用
 defineProps({
@@ -84,7 +86,10 @@ defineProps({
 })
 
 // Emits
-defineEmits(['close', 'execute-deletion'])
+const emit = defineEmits(['close'])
+
+// Store
+const cadStore = useCADStore()
 
 // 响应式数据
 const selectedLevel = ref(null)
@@ -162,6 +167,52 @@ const fetchHierarchyStatistics = async () => {
   loading.value = false
 }
 
+// 执行层级删除
+const handleExecuteDeletion = async () => {
+  if (selectedLevel.value === null) return
+
+  if (!cadStore.currentProjectName) {
+    throw new Error('当前没有项目名称')
+  }
+
+  const result = await creoApi.deleteHierarchy(selectedLevel.value, cadStore.currentProjectName)
+  if (result.success) {
+    // 显示删除成功的详细信息
+    showDeletionSuccessMessage(result.data.data)
+    emit('close')
+  }
+}
+
+// 显示删除成功消息
+const showDeletionSuccessMessage = (data) => {
+  const totalDeleted = data.deletion_summary?.total_deleted || 0
+
+  // 收集所有删除的组件名称
+  const allDeletedComponents = []
+  if (data.deleted_components) {
+    Object.values(data.deleted_components).forEach(levelComponents => {
+      allDeletedComponents.push(...levelComponents)
+    })
+  }
+
+  // 生成组件名称列表，限制长度
+  let componentsList = allDeletedComponents.join(', ')
+  const maxLength = 200 // 限制显示长度
+  if (componentsList.length > maxLength) {
+    componentsList = componentsList.substring(0, maxLength) + '...'
+  }
+
+  // 显示成功通知
+  const message = `删除成功！共删除 ${totalDeleted} 个组件：${componentsList}`
+
+  ElNotification({
+    title: '层级删除完成',
+    message: message,
+    type: 'success',
+    duration: 5000 // 5秒显示时间，让用户有足够时间阅读
+  })
+}
+
 // 组件挂载时初始化
 onMounted(() => {
   fetchHierarchyStatistics()
diff --git a/src/config/cad.js b/src/config/cad.js
index f48c05f..b4bb96f 100644
--- a/src/config/cad.js
+++ b/src/config/cad.js
@@ -84,6 +84,7 @@ const CAD_SOFTWARE_DEFINITIONS = {
       open: '/api/model/open',
       hierarchy: '/api/creo/analysis/hierarchy',
       hierarchyStatistics: '/api/analysis/hierarchy-statistics',
+      hierarchyDelete: '/api/creo/hierarchy/delete',
       geometryComplexity: '/api/analysis/geometry-complexity',
       shellAnalysis: '/api/analysis/shell-analysis',
       optimization: '/api/creo/shrinkwrap/shell',
diff --git a/src/services/creoApi.js b/src/services/creoApi.js
index 88e3028..72c7d4d 100644
--- a/src/services/creoApi.js
+++ b/src/services/creoApi.js
@@ -165,6 +165,31 @@ class CreoApiService {
       }
     })
   }
+
+  /**
+   * 删除指定层级及以下的所有组件
+   * @param {number} targetLevel - 目标层级
+   * @param {string} projectName - 项目名称
+   * @returns {Promise<{success: boolean, data?: any, error?: string}>}
+   */
+  async deleteHierarchy(targetLevel, projectName) {
+    if (!projectName) {
+      throw new Error('项目名称不能为空')
+    }
+
+    const url = buildApiUrl(this.softwareName, 'hierarchyDelete')
+
+    return await apiClient.post(url, {
+      "software_type": SOFTWARE_TYPE,
+      "project_name": projectName,
+      "target_level": targetLevel
+    }, {
+      operationContext: {
+        software: 'Creo',
+        operation: `层级删除 - 层级${targetLevel}`
+      }
+    })
+  }
 }
 
 // 导出单例实例
diff --git a/src/stores/cad.js b/src/stores/cad.js
index 8bd7e34..167ebdf 100644
--- a/src/stores/cad.js
+++ b/src/stores/cad.js
@@ -26,6 +26,9 @@ export const useCADStore = defineStore('cad', () => {
   // CAD软件连接状态 - 配置驱动
   const cadConnections = ref(initializeCADConnections())
 
+  // 当前项目名称
+  const currentProjectName = ref(null)
+
   // 当前连接的CAD软件
   const currentCAD = computed(() => {
     return cadConnections.value.find(cad => cad.connected)
@@ -82,10 +85,12 @@ export const useCADStore = defineStore('cad', () => {
     }
   }
 
+
   return {
     // 状态
     cadConnections,
     currentCAD,
+    currentProjectName,
     displayableCADs,
 
     // 方法